D defs.my
Entry 1 sense Webster, 1913

Contra

/kän'-trə/ · Con·tra · IPA /ˈkɑntɹə/
01 adv. & pref. A Latin adverb and preposition, signifying against, contrary, in opposition, etc., entering as a prefix into the composition of many Englis…
  1. 1.
    A Latin adverb and preposition, signifying against, contrary, in opposition, etc., entering as a prefix into the composition of many English words. Cf. Counter, adv. & pref. See: Counter